.Fimg_box{
    width: 100%;
    height: 100%;
    /* background-color: plum; */
}
.Fimg_top{
    width: 100%;
    height: 10%;
    /* background-color: plum; */
    display: flex;
    align-items: center;
}
.Fimg_nav{
    width: 50%;
    height: 100%;
    /* background-color:palegoldenrod; */
    margin-left: 10px;
}

.Fimg_tu{
    width: 100%;
    height: 90%;
    /* background-color: palegreen; */
    display: flex;
    flex-wrap: wrap;
     justify-content: space-between;
}
.Fimg_tu div{
    width: 21%;
    height: 45%;
    /* background-color: lightblue; */
    overflow: hidden;
    margin: 5px;
}
.Fimg_tu img{
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}
.Fimg_tu img:hover{
    transform: scale(1.1); /* 鼠标移入时放大效果 */
}